HVAC&R World Blog

Air Conditioning and Duct Cleaning has No Effect on Covid-19 Spread

REHVA has advised that humidification, AC and duct cleaning has no practical effect on Coronavirus transmission....

Author, Riccardo Tigani - 30th March 2020

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Air Conditioning and Duct Cleaning has No Effect on Covid-19 Spread

February 20, 2020 Ministerial Decree: Extension of the Use of A2L Gas in Public and Commercial Places for Human Comfort.

Updating the so-called "Code of Fire Prevention" (CPI)....

Author, Riccardo Tigani - 23rd March 2020

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Electrical Problems in Refrigeration Compressors: Rotor Friction

Electrical faults in refrigeration compressors are for the most part caused by: Power failure on one of the phases of a three-phase motor, too low voltage, defective winding, abnormal overheating, rotor friction against the stator...

Author, Riccardo Tigani - 9th March 2020

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Electrical Problems in Refrigeration Compressors: Rotor Friction

ELECTRICAL PROBLEMS IN REFRIGERATION COMPRESSORS: PART 2

Metal fragments resulting from a mechanical accident can fit into the motor windings and...

Author, Riccardo Tigani - 9th February 2020

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